Heat pumps promise cheaper, cleaner heating – but does the reality live up to the hype? We assess Octopus Energy’s Cosy ...

Air source vs ground source heat pumps: Experts compare the pros and cons - Air source and ground source heat pumps both offer low-carbon heating, but they suit very different homes. Here’s how the ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

Scientists in China have designed a photovoltaic-thermal integrated air-source heat pump hot water system that uses a phase change tank to lower energy consumption and achieve higher power generation ...